Bottle stopper



FIG. 1 is a front view of a bottle stopper embodying the presentinvention.

FIG. 2 is a side view.

FIG. 3 is a top view; and,

FIG. 4 is a bottom view.

The broken lines shown in the drawings are for illustrative purposesonly and form no part of the claimed design.

The ornamental design for a bottle stopper, as shown and described.